My task and calendar reminders are late when they appear because they are in GMT which is 10 hours behind where I live. How do I reset

My computor time zone and calender current time in Outlook are correct at local time.

All worked OK prior to installing my Hotmail account 

My task and calendar reminders are late when they appear because they are in GMT which is 10 hours behind where I live. How do I reset

My computor time zone and calender current time in Outlook are correct at local time.

All worked OK prior to installing my Hotmail account